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Volunteers work on the search for survivors at a building that collapsed after an earthquake, in a neighborhood south of Mexico City, capital of Mexico on Sept. 23, 2017. (Xinhua/David de la Paz)
Volunteers work on the search for survivors at a building that collapsed after an earthquake, in a neighborhood south of Mexico City, capital of Mexico on Sept. 23, 2017. (Xinhua/David de la Paz)